本发明提供了一种氧气氧化醇制备醛或酮的方法,按5mmol的反应底物计,以1-8mol%的4-羟基-2,2,6,6-四甲基哌啶-氧自由基或其类似化合物、 1-8mol%过渡金属硝酸盐为催化剂,用0.1-0.8MPa的氧气或空气为氧化剂,在0-80℃条件下反应1-36小时,可以高选择性地把一系列醇氧化成醛或酮。本发明具有产率高,反应条件温和,操作易于控制,成本低,安全,整个过程对环境友好,不存在污染等特点 ...
徐 青 +5 more
core
[Bifunctional biomaterials: An innovative strategy for synergistic bone tumor therapy and bone regeneration]. [PDF]
Feng W, Chang B, Wang C, Fan B.
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本发明公开了一种固体氧化物燃料电池氧化铈基电解质隔层,包括有致密层与疏松层,其中致密层能够有效阻止含钴类阴极与氧化锆基电解质之间的有害化学反应以及元素扩散,疏松层能够改善阴极/电解质界面接触性能;该隔层采用射频磁控反应溅射的方法在较低温度下制备,避免了与氧化锆基电解质反应生成铈锆氧化物固溶体。该隔层的使用,有效的提高了电池性能 ...
涂宝峰, 程谟杰, 武卫明
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[Occurrence status and treatment strategies of abnormal growth and development in children with methylmalonic acidemia]. [PDF]
Wei HY, Li DX.
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[Determination of 16 organic ultraviolet absorbers in drinking water by solid phase extraction-ultra-high performance liquid chromatography-tandem mass spectrometry]. [PDF]
Wang Z, Zhao C, Ye BX, Chen YY.
europepmc +1 more source
[Guangdong consensus on integrated Chinese and Western medicine management of prolonged disorders of consciousness]. [PDF]
Neurocritical Care Committee of Guangdong Provincial Association of Chinese Medicine.
europepmc +1 more source
[Different Astragalus medicinal pairs improve diabetic nephropathy in mice by regulating lipid peroxidation through PTGS2]. [PDF]
Chen X +7 more
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[Determination of 22 organophosphates and their metabolites and 11 phthalate metabolites in human whole blood by ultra performance liquid chromatography-tandem mass spectrometry]. [PDF]
Shi FY, Xu HY, Li JH, Xu MY.
europepmc +1 more source
[Novel technologies for large-scale analysis of cell surface glycoprotein interactions and their applications]. [PDF]
Liu Y +5 more
europepmc +1 more source
[Selenocystine inhibits colon cancer cell growth by promoting reactive oxygen species generation to trigger oxidative damage]. [PDF]
Song Q +8 more
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